﻿using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Data;

namespace Giraffe.Client.ConversationModule.Converters
{
    //todo test
    public class BooleanToAnyConverter: DependencyObject, IValueConverter
    {
        public object TrueValue
        {
            get { return (object)GetValue(TrueValueProperty); }
            set { SetValue(TrueValueProperty, value); }
        }

        // Using a DependencyProperty as the backing store for TrueValue.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty TrueValueProperty =
            DependencyProperty.Register("TrueValue", typeof(object), typeof(BooleanToAnyConverter), new UIPropertyMetadata(null));




        public object FalseValue
        {
            get { return (object)GetValue(FalseValueProperty); }
            set { SetValue(FalseValueProperty, value); }
        }

        // Using a DependencyProperty as the backing store for FalseValue.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty FalseValueProperty =
            DependencyProperty.Register("FalseValue", typeof(object), typeof(BooleanToAnyConverter), new UIPropertyMetadata(null));



        #region Implementation of IValueConverter

        /// <summary>
        /// Converts a value. 
        /// </summary>
        /// <returns>
        /// A converted value. If the method returns null, the valid null value is used.
        /// </returns>
        /// <param name="value">The value produced by the binding source.
        ///                 </param><param name="targetType">The type of the binding target property.
        ///                 </param><param name="parameter">The converter parameter to use.
        ///                 </param><param name="culture">The culture to use in the converter.
        ///                 </param>
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if ((bool)value)
            {
                return TrueValue;
            }
            return FalseValue;
        }

        /// <summary>
        /// Converts a value. 
        /// </summary>
        /// <returns>
        /// A converted value. If the method returns null, the valid null value is used.
        /// </returns>
        /// <param name="value">The value that is produced by the binding target.
        ///                 </param><param name="targetType">The type to convert to.
        ///                 </param><param name="parameter">The converter parameter to use.
        ///                 </param><param name="culture">The culture to use in the converter.
        ///                 </param>
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }

        #endregion
    }
}
